Cosmetic block



FIG. 1 is a top plan view of a cosmetic block showing my new design;

FIG. 2 is a perspective view of FIG. 1; and,

FIG. 3 is a side view of FIG. 1.

The bottom plan view of the cosmetic block is a flat unornamented surface. The container represented in broken lines in each of these drawings is for illustrative purposes and forms no part of the claimed design. 

The ornamental design for a cosmetic block, as shown and described. 